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🎯 Method: electronic configuration → 1s2 2s2 2p6 ... ✅ How to find the electronic configuration of an atom? Electronic procession, electronic structure, corrected exercise ▶️ Playlist: SECOND 🟢 CHEMISTRY • ATOM: calculate protons, neutrons, e... 🔎 Chapters 00:00 Intro 00:17 Electronic configuration: revision sheet 00:43 Electronic configuration of an atom 03:35 How many valence electrons? 05:25 Electronic configuration of an ion 📝Second Year Program 2nd Year: The electronic procession of the atom Electronic configuration (1s, 2s, 2p, 3s, 3p) Determine the valence electrons of an atom (for Z less than or equal to 18)